Transformer capable of reducing height of coil winding
By cutting a hollowed-out section on the outer wall of the winding bobbin and setting Z-shaped and L-shaped pin seats, the problem of reduced coil winding height is solved, achieving more winding and more efficient transformer performance, which is suitable for elliptical and circular winding bobbins.
Patent Information
- Application Number
- CN202520342905.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-28
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-02-28
AI Technical Summary
In transformers, how can the coil winding height be further reduced to increase the number of windings and improve transformer performance while keeping the winding bobbin size and winding slot volume fixed?
The outer wall of the winding skeleton is cut with a hollowed-out section. The coil winding is wound along the outer wall of the winding skeleton and the hollowed-out section. Z-shaped and L-shaped pin seats are set at the pin position to facilitate the flying wire routing and soldering.
It achieves a smaller winding height and more coil windings, improving transformer performance. It is particularly suitable for elliptical magnetic cores and circular winding frames, enhancing the flexibility and convenience of transformers.
Smart Images
Figure CN223808997U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to transformer technical field more specifically refers to a kind of transformer of the height of retraction coil winding. BACKGROUND
[0002] Transformer is the device using the principle of electromagnetic induction to change AC voltage, mainly by winding skeleton, magnetic core assembly and coil winding, its function is various, including voltage change, current change, impedance change, isolation, voltage stabilization and so on.
[0003] Now, with the precision of electronic components, the performance of transformer is also pursuing high-precision conversion and small volume. In the case of transformer model, magnetic core cross-sectional area and other parameters are determined, winding skeleton size and winding slot volume are determined, how to further reduce the winding height of coil winding, increase the number of winding coils that can be wound in winding slot, is one of the important measures for today's transformer to break through product performance. SUMMARY
[0004] Based on this, the utility model provides a kind of transformer of the height of retraction coil winding to solve the above problems.
[0005] The utility model adopts the following technical scheme:
[0006] A kind of transformer of the height of retraction coil winding, including winding skeleton, magnetic core assembled in the both ends of winding skeleton, the both ends of winding skeleton are equipped with first baffle and second baffle, the winding slot for winding coil winding is formed between the first baffle and the second baffle, the winding skeleton is cylindrical structure, the outer wall of winding skeleton in winding slot is cut with at least one hollow cutting surface, the coil winding is wound along the outer wall of winding skeleton and hollow cutting surface.
[0007] Further, the cylindrical cross section of the winding skeleton is oval, the hollow cutting surface is two hollow cutting surfaces, two hollow cutting surfaces are respectively located on the outer wall of the long diameter of the oval cylindrical winding skeleton, or respectively located on the outer wall of the diameter of the oval cylindrical winding skeleton.
[0008] Further, the cylindrical cross section of the winding skeleton is circular, the hollow cutting surface is two hollow cutting surfaces, two hollow cutting surfaces are respectively located on the outer wall of the diameter of the circular cylindrical winding skeleton.
[0009] Further, one side of the first baffle and the second baffle is equipped with first pin foot and second pin foot respectively, the structure of the first pin foot and the second pin foot is same.
[0010] Preferably, two ends of the first pin part are respectively provided with two symmetrically arranged Z-shaped pin seats, the bottom surface of the upper horizontal part of the Z-shaped pin seat is inserted with a straight pin, and the lower horizontal part of the Z-shaped pin seat is inserted with an L-shaped pin.
[0011] Preferably, the L-shaped pin is composed of a vertical vertical part and a horizontal horizontal part, the vertical part of the L-shaped pin penetrates the lower horizontal part of the Z-shaped pin seat and is inserted with a circuit board, and the horizontal part of the L-shaped pin is connected with a flying wire of the coil winding.
[0012] As can be seen from the above description of the structure of the utility model, compared with the prior art, the utility model has the following advantages:
[0013] 1. The utility model discloses a winding framework, which is characterized by the following: the outer wall of the winding framework is cut at least one hollow cutting surface, and the coil winding is wound along the outer wall of the winding framework and the hollow cutting surface.
[0014] 2. The pin part of the utility model is provided with a Z-shaped pin seat, a traditional straight pin and a novel L-shaped pin are arranged on the Z-shaped pin seat, so that the transformer can be more flexible and convenient when flying wire and soldering. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is a structural schematic diagram of the utility model.
[0016] Figure 2 It is an exploded schematic diagram of the utility model.
[0017] Figure 3 It is a cross-sectional view of the central axis of the winding framework of the utility model.
[0018] Figure 4 It is a structural schematic diagram of the winding framework of the utility model.
[0019] Figure 5 It is a structural schematic diagram of the winding framework of the utility model.
[0020] In the figure, the reference signs are as follows: winding framework 10, first baffle 11, second baffle 12, winding groove 13, hollow cutting surface 14, magnetic core 20, first pin seat 31, second pin seat 32, Z-shaped pin seat 41, straight pin 42 and L-shaped pin 43. DETAILED DESCRIPTION
[0021] The specific implementation manner of the utility model embodiment will be described below with reference to the drawings.
[0022] Referring to Figures 1 to 4 A transformer with a reduced height of coil winding, comprising a winding frame 10, two magnetic cores 20 assembled at both ends of the winding frame 10. The winding frame 10 is provided with a first baffle 11 and a second baffle 12 at both ends respectively, and a winding slot 13 for winding coil winding is formed between the first baffle 11 and the second baffle 12, and the two magnetic cores 20 are buckled on the first baffle 11 and the second baffle 12 respectively. The winding frame 10 is in a cylindrical structure, and the outer wall of the winding frame 10 in the winding slot 13 is cut with at least one hollow cutting surface 14, and the coil winding is wound along the outer wall of the winding frame 10 and the hollow cutting surface 14.
[0023] Specifically, referring to Figure 3 and Figure 4 The cylindrical cross section of the winding frame 10 is elliptical, and the hollow cutting surface 14 is two hollow cutting surfaces 14, which are respectively located at the outer wall of the long diameter of the elliptical cylindrical winding frame 10 or at the outer wall of the diameter of the elliptical cylindrical winding frame 10.
[0024] In addition, the cylindrical cross section of the winding frame 10 can be circular, and the hollow cutting surface 14 is two hollow cutting surfaces 14, which are respectively located at the outer wall of any diameter of the circular cylindrical winding frame 10.
[0025] Referring to Figure 3 and Figure 4 In this embodiment, as preferred, the middle column of the magnetic core 20 is elliptical, the cylindrical cross section of the winding frame 10 is elliptical, and the two hollow cutting surfaces 14 are respectively located at the outer wall of the long diameter of the elliptical cylindrical winding frame 10. In addition, the middle column of the magnetic core 20 located in the cylinder of the winding frame 10 cannot extend out of the hollow cross section, so as to avoid the contact between the coil winding and the middle column of the magnetic core 20.
[0026] Referring to Figure 4 and Figure 5The first needle foot 31 and the second needle foot 32 are respectively provided with two symmetrically arranged Z-shaped needle foot seats 41 at two ends of the first needle foot 31, the bottom surface of the upper horizontal part of the Z-shaped needle foot seat 41 is inserted with a straight needle foot 42, and the lower horizontal part of the Z-shaped needle foot seat 41 is inserted with an L-shaped needle foot 43. The L-shaped needle foot 43 is composed of a vertical part in the vertical direction and a horizontal part in the horizontal direction, the vertical part of the L-shaped needle foot 43 penetrates the lower horizontal part of the Z-shaped needle foot seat 41 and is inserted with the circuit board, and the horizontal part of the L-shaped needle foot 43 is connected with the flying wire of the coil winding. The flying wire welding mode of the straight needle foot 42 is basically the same as that of the existing needle foot, and thus is not described herein. In addition, the first needle foot 31 and the second needle foot 32 are the same in structure, and thus the second needle foot 32 is not described herein.
[0027] The above is only the specific implementation manner of the present application, but the design concept of the present application is not limited to this, and any non-essential change of the present application by using the concept should belong to the act of infringing the protection scope of the present application.
Claims
1. A transformer with reduced height of coil winding, comprising a winding frame, magnetic cores assembled at both ends of the winding frame, first and second baffle plates respectively arranged at both ends of the winding frame, and a winding slot for winding coil winding formed between the first and second baffle plates, characterized in that: The winding frame is in a cylindrical structure, and at least one hollowed-out section is cut on the outer wall of the winding frame in the winding groove, and the coil winding is wound along the outer wall and the hollowed-out section of the winding frame.
2. A transformer of reduced coil winding height according to claim 1, characterized in that: The cylindrical cross section of the winding frame is in an elliptical shape, and the hollowed-out section is two hollowed-out sections, which are respectively located on the outer wall of the long diameter of the elliptical cylindrical winding frame or the outer wall of the diameter of the elliptical cylindrical winding frame.
3. A transformer of reduced coil winding height according to claim 1, characterized in that: The cylindrical cross section of the winding frame is in a circular shape, and the hollowed-out section is two hollowed-out sections, which are respectively located on the outer wall of the diameter of the circular cylindrical winding frame.
4. A transformer of reduced coil winding height according to claim 1, characterized in that: One side of the first baffle and the second baffle is respectively provided with a first needle foot and a second needle foot, and the first needle foot and the second needle foot are the same in structure.
5. A transformer of reduced coil winding height according to claim 4, characterized in that: Two symmetrical Z-shaped needle foot seats are respectively arranged at the two ends of the first needle foot, the bottom surface of the upper horizontal part of the Z-shaped needle foot seat is inserted with a straight needle foot, and the lower horizontal part of the Z-shaped needle foot seat is inserted with an L-shaped needle foot.
6. A transformer of reduced coil winding height according to claim 5, characterized in that: The L-shaped needle foot is composed of a vertical part in the vertical direction and a horizontal part in the horizontal direction, the vertical part of the L-shaped needle foot penetrates the lower horizontal part of the Z-shaped needle foot seat and is inserted with a circuit board, and the horizontal part of the L-shaped needle foot is connected with the flying wire of the coil winding.